Home / 7,443,979.70-11,165,969.55-7,129,051.70

Finding the Fourth Proportional to 7,443,979.70, 11,165,969.55 and 7,129,051.70

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Solution

The fourth proportional to 7,443,979.70, 11,165,969.55 and 7,129,051.70 is: 10,693,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443,979.70 : 11,165,969.55 = 7,129,051.70 : x
  2. Step 2: Convert to fraction form
    7,443,979.70/11,165,969.55 = 7,129,051.70/x
  3. Step 3: Cross multiply
    7,443,979.70x = 11,165,969.55 × 7,129,051.70
  4. Step 4: Simplify right side
    7,443,979.70x = 79,602,774,202,575.75
  5. Step 5: Solve for x
    x = 79,602,774,202,575.75/7,443,979.70
  6. Step 6: Final answer
    x = 10,693,577.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.